WO2019208555A1 - 乗物用シート - Google Patents

乗物用シート Download PDF

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Publication number
WO2019208555A1
WO2019208555A1 PCT/JP2019/017176 JP2019017176W WO2019208555A1 WO 2019208555 A1 WO2019208555 A1 WO 2019208555A1 JP 2019017176 W JP2019017176 W JP 2019017176W WO 2019208555 A1 WO2019208555 A1 WO 2019208555A1
Authority
WO
WIPO (PCT)
Prior art keywords
support member
hole
rear direction
vehicle seat
seat according
Prior art date
Application number
PCT/JP2019/017176
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
溝井健介
Original Assignee
テイ・エス テック株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by テイ・エス テック株式会社 filed Critical テイ・エス テック株式会社
Priority to JP2020515475A priority Critical patent/JP7307353B2/ja
Priority to US17/050,712 priority patent/US11413997B2/en
Publication of WO2019208555A1 publication Critical patent/WO2019208555A1/ja
Priority to JP2023105627A priority patent/JP7594207B2/ja
Priority to JP2024202971A priority patent/JP2025019172A/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/70—Upholstery springs ; Upholstery
    • B60N2/7094—Upholstery springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/50—Seat suspension devices
    • B60N2/502—Seat suspension devices attached to the base of the seat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B60N2/682—Joining means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/70—Upholstery springs ; Upholstery
    • B60N2/72—Attachment or adjustment thereof

Definitions

  • the present invention relates to a vehicle seat mounted on a vehicle such as an automobile.
  • Patent Document 1 As a vehicle seat mounted on a vehicle such as an automobile, for example, Patent Document 1 includes a cushion frame, and a plate-like cushion panel that spans a front portion and a rear portion of the cushion frame and supports a pad. A sheet is disclosed. In this technique, a hole for releasing pressure applied around the seat bone of the seat occupant is formed at a position corresponding to the seat bone of the seat occupant in the cushion panel.
  • an object of the present invention is to reduce both the pressure applied to the periphery of the seated person's scapula and tailbone and to increase the rigidity of the plate-like member that supports the seated person.
  • a vehicle seat according to the present invention is disposed between left and right side frames that are spaced apart from each other left and right, and a first support that supports a seated person. And left and right second support members that are connected to the left and right sides of the first support member and that have left and right outer ends supported by the side frame to support a seated person together with the first support member.
  • the first support member is a plate-like member and has left and right seat bone part through holes formed at positions corresponding to the seat bones of the seated person. At least a part of the second support member is located within the range of the ischicular portion through hole in the front-rear direction.
  • the pressure applied around the seat bone of the seated person can be released from the through hole of the seat bone part, the pressure applied to the seat bone of the seated person can be reduced.
  • the 2nd supporting member currently supported by the side frame can further reduce the pressure applied to the periphery of the sciatic bone by supporting both sides of the thigh from the buttocks of the seated person.
  • a part of 2nd support member is located in the range of a seat bone part through-hole in the front-back direction, the 2nd support by which the site
  • the member can be reinforced and the rigidity of the plate-like first support member can be increased.
  • the passenger can be stably supported without causing the passenger to feel uncomfortable. Therefore, it is possible to achieve both reduction of the pressure applied to the periphery of the seat bone of the seated person and increase of the rigidity of the plate-like member that supports the seated person.
  • the second support member has a first connection part connected to the first support member, and the first connection part is located within the range of the seat bone part through hole in the front-rear direction. Also good.
  • the second support member may have a second connection part connected to the first support member, and the second connection part may be located behind the seat bone part through hole.
  • the first support member can be favorably supported by the second support member.
  • a slit may be formed at the edge of the ischial portion through hole.
  • the portion around the sciatic bone through hole is easily deformed by the slit, the pressure applied around the sciatic bone of the seated person can be gradually reduced toward the sciatic bone.
  • the first support member has a coccyx part through hole formed at a position corresponding to the seated person's coccyx, and a part of the second support member is in the range of the coccyx part through hole in the front-rear direction. It may be located inside.
  • the pressure applied to the periphery of the seated person's tailbone can be released from the tailbone through hole, and the portion around the tailbone through hole of the first support member can be reinforced by the second support member.
  • the vehicle seat further includes a pair of connecting members that are disposed apart from each other in the front-rear direction, each connecting the left and right side frames, and the first support member spans the pair of connecting members. And a plurality of wires and a resin plate connecting the plurality of wires.
  • the rigidity of the first support member can be increased.
  • the second support member may have a first engagement portion that engages with the wire.
  • the first support member and the second support member can be firmly connected via the wire.
  • the vehicle seat may further include a cover member that covers a rear end portion of the side frame from the left and right inner sides, and the second support member may be formed integrally with the cover member.
  • the rigidity of the second support member can be increased.
  • the slit extends in the left-right direction and is positioned within the range of the first connecting portion in the front-rear direction.
  • the resin plate may have a second engagement portion that engages with the wire.
  • the slit extends in the front-rear direction, and at least a part thereof is positioned within the range of the second engagement portion in the front-rear direction.
  • a decrease in the supporting force of the first support member can be suppressed by overlapping the slit and the second engaging portion in the front-rear direction.
  • the vehicle seat further includes a third support member that is more flexible than the first support member, and the third support member covers the first support so as to close at least a part of the seat bone through hole. It may be provided on the member.
  • the third support member that can bend more easily than the first support member can moderately support the seated bone of the seated person and the third pressure member is provided with pressure applied to the periphery of the seated person's seat bone in the through hole of the seat bone part. It can escape from a support member.
  • the vehicle seat further includes a third support member that is more flexible than the first support member, and the third support member covers the first support so as to close at least a part of the coccyx through hole. It may be provided on the member.
  • the third support member that is more flexible than the first support member can moderately support the seated person's coccyx, and the pressure applied to the periphery of the seated person's coccyx is provided in the coccyx portion through hole. It can escape from a support member.
  • FIG. 4A is a top view of the central support member and the rear support member
  • FIG. 3B is a cross-sectional view taken along the line II in FIG.
  • the perspective view (a) which expands and shows the structure around the 2nd support member of the right side of a cushion frame
  • Sectional drawing (b) which shows the relationship between a coccyx part penetration hole, and a wire, 6th surface, 7th surface, and 1st
  • sectional drawing (a) which shows a 1st supporting member, and sectional drawing (b) which expands and shows the structure around a rib.
  • front and rear, left and right, and top and bottom are based on front and rear, left and right, and top and bottom as viewed from a person sitting on the seat (sitting person).
  • the vehicle seat of this embodiment is comprised as the vehicle seat S mounted in a motor vehicle, and is provided with seat cushion S1, seat back S2, and headrest S3.
  • a cushion frame F1 constituting a skeleton of the seat cushion S1 is built in the seat cushion S1.
  • the seat cushion S1 is configured by covering the cushion frame F1 with a cushion pad made of urethane foam or the like and a skin material made of fabric or leather.
  • the cushion frame F ⁇ b> 1 includes left and right side frames 11, a front frame 12, and a rear frame 13.
  • the left and right side frames 11 are spaced apart from each other on the left and right.
  • Each side frame 11 is mainly composed of a plate-shaped side frame main body 11A made of a metal plate and long in the front-rear direction.
  • Back frames (not shown) constituting the skeleton of the seat back S2 are rotatably attached to the rear end portions of the left and right side frame main bodies 11A via a reclining mechanism.
  • the seat back S2 is configured by covering the back frame with a back pad made of urethane foam or the like and a skin material.
  • the front frame 12 and the rear frame 13 are spaced apart from each other in the front-rear direction.
  • the front frame 12 includes a pan frame 12A made of a metal plate and a front pipe 12B made of a metal pipe material.
  • the pan frame 12A and the front pipe 12B connect the front ends of the left and right side frame bodies 11A (side frames 11).
  • the rear frame 13 is made of a metal pipe material, and connects the rear ends of the left and right side frame bodies 11A (side frames 11).
  • the front pipe 12B and the rear frame 13 correspond to a pair of connecting members.
  • the seat cushion S1 includes a first support member 20, left and right second support members 30, and left and right cover members 40.
  • the cover member 40 is a resin member that covers the rear end portion of the side frame 11 from the left and right inner sides, and is formed integrally with the second support member 30. Since the seat cushion S1 has a substantially bilaterally symmetric structure, in the following description, the structure on one side in the left-right direction will be mainly described, and the description on the structure on the other side will be omitted as appropriate.
  • the first support member 20 is a plate-like member that supports a seated person from below via a cushion pad (not shown), and is disposed between the left and right side frames 11.
  • the first support member 20 includes three wires W laid over the front pipe 12B and the rear frame 13, and three resin plates PP that connect the wires W.
  • the three resin plates PP are arranged at intervals in the front-rear direction, and are supported by three wires W extending in the front-rear direction.
  • the three wires W are made of metal and are arranged at intervals in the left-right direction.
  • the covering members 60 are disposed at the front ends and the rear ends of the three wires W, respectively.
  • the covering member 60 is made of resin, and is provided so as to cover and wrap the portions of the front end and rear end of the wire W bent in a substantially arc shape, and is formed integrally with the wire W.
  • the covering member 60 has a substantially C-shaped cylindrical shape in which a cut is formed in the left-right direction.
  • the front end and the rear end of each wire W are covered with a covering member 60.
  • the front end of each wire W is locked to the front pipe 12 ⁇ / b> B, and the rear end is locked to the rear frame 13.
  • the wire W arranged at the center in the left-right direction supports the center portion in the left-right direction of each resin plate PP.
  • the wires W on both sides in the left-right direction support both ends in the left-right direction of each resin plate PP.
  • the resin plate PP disposed in the forefront is also referred to as “front plate 21”
  • the resin plate PP disposed in the center is also referred to as “center plate 22”
  • the resin plate disposed in the rearmost position is also referred to as “rear plate 23”.
  • the front plate 21 is formed in a flat plate shape and has a hole H1 through which a fan duct (not shown) passes.
  • the hole H1 is formed with a space left and right.
  • the left and right holes H1 are arranged one by one between the central wire W and the left and right wires W, respectively.
  • the left and right ends of the front plate 21 are not connected to the side frame 11 and are supported only by the wires W.
  • the front plate 21 is disposed to be inclined with respect to the horizontal plane so that the rear end is located above the front end.
  • the front end of the front plate 21 is located above the central plate 22.
  • the center plate 22 is formed in a flat plate shape and is disposed substantially parallel to the horizontal plane.
  • the center plate 22 is located at the lowest of the three resin plates PP, and has left and right seat bone part through holes H2 formed at positions corresponding to the seat bones of the seated person. That is, the seat bone part through-hole H2 is provided in the lowest part of the surface of the first support member 20 that supports the seated person.
  • Each seat bone part through-hole H2 is a long hole that is long in the front-rear direction, and is arranged at intervals in the left-right direction.
  • Each of the left and right seat bone part through holes H2 is disposed between the central wire W and the left and right wires W.
  • the area of each seat bone portion through hole H2 can be set to 20 to 36 cm 2 , for example.
  • the size in the front-rear direction of the ischicular portion through-hole H2 can be 70 to 90 mm, and the size in the left-right direction can be 40 to 60 mm.
  • two cutouts 22A are formed at the left and right ends of the center plate 22 so as to open outward in the left-right direction.
  • the wire W is arranged so as to cross each notch 22A.
  • each second engaging portion 22 ⁇ / b> B protrudes downward from the lower surface of the center plate 22 and is formed in a U shape in a sectional view that opens downward, and is engaged with the wire W. .
  • the left and right end portions of the center plate 22 are inclined with respect to the horizontal plane, and the upper surface thereof is substantially flush with the upper surface of the second portion 32 of the second support member 30 described later.
  • each seat bone portion through hole H2 six slits SL are formed at the edge of each seat bone portion through hole H2.
  • Each slit SL penetrates the center plate 22 in the vertical direction, and one end is connected to the isch bone portion through hole H2 and opened.
  • Each slit SL extends in the front-rear direction, one for the arcuate front edge and the rear edge of the ischoid through hole H2, and two for the left-right direction.
  • At least a part of the slit SL extending in the front-rear direction is positioned within the range of the second engagement portion 22B in the front-rear direction.
  • the slit SL extending in the front-rear direction is entirely located within the range of the second engagement portion 22B in the front-rear direction.
  • both the front edge slit SL and the rear edge slit SL overlap the second engagement portion 22B in the front-rear direction, but only one of the slits SL in the front-rear direction overlaps with the second engagement portion 22B.
  • Each slit SL extending in the left-right direction is located within the range of the connecting portions 34A, 34B in the front-rear direction. Thereby, the fall of the supporting force of the 1st supporting member 20 can be suppressed by overlapping the position of the slit SL and the connection parts 34A and 34B in the front-back direction.
  • all of the plurality of slits SL extending in the left-right direction are located within the range of the connecting portions 34A, 34B in the front-rear direction, but only some of the slits SL are connected in the front-rear direction. As a form located within the range, the support force of the first support member 20 may be adjusted.
  • the peripheral portion H21 of the ischoid through hole H2 in which each slit SL is formed is inclined so as to be positioned downward toward the center of the ischial through hole H2.
  • the rear plate 23 is formed in a flat plate shape and is inclined with respect to the horizontal plane so that the rear end is located above the front end.
  • the rear end of the rear plate 23 is located above the central plate 22.
  • the back plate 23 has one coccyx portion through hole H3 formed at a position corresponding to the coccyx of the seated person.
  • the coccyx part through hole H3 is located in the center of the rear plate 23 in the left-right direction.
  • the coccyx part through-hole H3 is arranged behind each ischone part through-hole H2, and the center in the left-right direction is arranged between the ischium-part through holes H2 in the left-right direction.
  • the coccyx part through-hole H3 is a substantially triangular hole when viewed from above, and is arranged so that one corner faces forward.
  • the area of the coccyx part through hole H3 can be set to 6 to 12 cm 2 , for example.
  • the size of the coccyx portion through hole H3 in the front-rear direction can be 25 to 35 mm, and the size in the left-right direction can be 30 to 40 mm.
  • one notch 23A that opens outward in the left-right direction is formed.
  • the wire W is arranged so as to cross the notch 23A.
  • each second engagement portion 23B has the same structure as the second engagement portion 22B described above, and engages with the wire W.
  • symbol is abbreviate
  • the engaging part of the same structure as 2nd engaging part 22B and 23B is formed also in the left-right each edge part of the front board 21, and the left-right center of each resin board PP.
  • the left and right second support members 30 are members that support the seated person together with the first support member 20, and are made of resin.
  • the second support member 30 is a separate body from the first support member 20, and is disposed one by one on the left and right sides of the first support member 20, specifically the center plate 22 and the rear plate 23.
  • the second support member 30 is disposed behind the center of the side frame 11 in the front-rear direction.
  • the second support member 30 includes a first portion 31 disposed on the side frame 11, a second portion 32 extending obliquely inward and downward in the left-right direction from the first portion 31, and the left-right direction of the second portion 32. And three connecting portions 34A, 34B, 34C formed at the inner end.
  • the first part 31 is a plate-like part and is connected to the side frame 11 by bolts, resin nails, clips, and the like.
  • the rear end portion of the first part 31 is formed integrally with the cover member 40.
  • a part of the first portion 31 is located within the range of the ischicular portion through-hole H2 in the front-rear direction.
  • the second portion 32 is a plate-like portion for supporting both sides of the thigh from the seated person's buttocks, and is inclined with respect to the horizontal plane so as to support the seated person's buttocks and the like from obliquely below.
  • the rear end portion of the second part 32 is formed integrally with the cover member 40.
  • a part of the second portion 32 is located within the range of the ischicular portion through hole H2 in the front-rear direction.
  • the three connecting portions 34A to 34C are portions connected to the first support member 20 (the central plate 22 or the rear plate 23).
  • the three connecting portions 34A to 34C are connected to the first support member 20 to support the first support member 20.
  • the two front connection portions 34A and 34B are an example of a first connection portion, and are positioned within the range of the ischicular portion through hole H2 in the front-rear direction. That is, a part of the second support member 30 is located within the range of the ischicular portion through hole H2 in the front-rear direction.
  • the two front connection portions 34 ⁇ / b> A and 34 ⁇ / b> B are connected to the central plate 22 via wires W.
  • connection part 34C located at the rear is an example of the second connection part, and is located behind the seat bone part through hole H2.
  • the connecting portion 34C is located within the range of the coccyx portion through hole H3 in the front-rear direction. That is, a part of the second support member 30 is located within the range of the coccyx portion through hole H3 in the front-rear direction.
  • the connecting portion 34 ⁇ / b> C located at the rear end is connected to the rear plate 23 via the wire W.
  • connection portions 34A to 34C are disposed in the notches 22A and 23A (see FIG. 3) of the plates 22 and 23, respectively.
  • connection structure of the connection portions 34A to 34C and the plates 22 and 23 is substantially the same structure, in the following description, the structure of the connection portion 34A will be described as a representative.
  • the connecting portion 34A is engaged with the wire W located in the notch 22A.
  • the connecting portion 34A includes a first wall A11 that extends downward from the second portion 32, a second wall A12 that extends inward in the left-right direction from the lower end of the first wall A11, and an upper end from the end in the left-right direction of the second wall A12.
  • a hook A13 as an example of a first engaging portion extending in the direction.
  • the hook A13 has a hook shape in which an upper end portion protrudes outward in the left-right direction, and the upper end portion having the hook shape is engaged with the wire W.
  • a regulating portion A14 extending toward the wire W that engages with the hook A13 is formed at a substantially central portion in the vertical direction of the first wall A11.
  • the restricting part A14 is a part that restricts the wire W from coming off the hook A13, and the distance between the restricting part A14 and the tip of the hook A13 is smaller than the diameter of the wire W.
  • a guide rib A15 for guiding the wire W toward the tip of the hook A13 is formed between the first wall A11 and the hook A13.
  • the guide rib A15 is a plate-like portion having a surface orthogonal to the front-rear direction, and is formed so as to connect the first wall A11, the second wall A12, and the hook A13.
  • the upper end of the guide rib A15 extends obliquely from the upper end of the first wall A11 toward the inner side and the lower side in the left-right direction, and then extends inward in the left-right direction so as to pass under the wire W engaged with the hook A13. It extends to.
  • the number of guide ribs A15 is arbitrary, but for example, a plurality of guide ribs A15 may be arranged at intervals in the front-rear direction.
  • the second support member 30 is attached to each of the left and right side frames 11 by a method such as engagement or bolt fastening.
  • the covering members 60 integrally formed at the ends of the three wires W are attached to the front pipe 12B and the rear frame 13 by being pushed into the front pipe 12B and the rear frame 13 from above.
  • the support members 20 and 30 can be attached to the cushion frame F1.
  • the following effects can be obtained.
  • the pressure applied around the sciatic bone through hole H2 can be relieved from the sciatic part through hole H2, so that the pressure applied to the sciatic bone around the sitting person can be reduced.
  • the second support member 30 supports both sides of the thigh from the buttocks of the seated person, so that the pressure applied around the sciatic bone can be further reduced.
  • the portion around the isch portion through hole H2 of the central plate 22 can be reinforced by the second support member 30, and the rigidity of the plate-shaped central plate 22 can be increased.
  • the second support member 30 has the connecting portion 34C that is connected to the rear plate 23 at a position after the seat bone portion through hole H2, the rear plate 23 can be favorably supported by the second support member 30.
  • the slit SL is formed at the edge of the ischial portion through hole H2, a portion around the isch portion through hole H2 is easily deformed by the slit SL. Can be gradually reduced.
  • the pressure applied to the seated person's coccyx can be released from the coccyx portion through hole H3.
  • a part of the second support member 30 is located in the range of the coccyx part through hole H3 in the front-rear direction, the part around the coccyx part through hole H3 of the rear plate 23 is reinforced by the second support member 30. be able to.
  • the first support member 20 has the second engaging portions 22B and 23B that engage with the wire W, the first support member 20 can be favorably supported by the wire W.
  • the first support member 20 and the second support member 30 can be firmly connected via the wire W. Further, by connecting the first support member 20 and the second support member 30 through the wires W in this way, when the first support member 20 is loaded, the left and right end portions of the first support member 20 Therefore, the amount of movement of the first support member 20 in the vertical direction can be increased, and the sitting comfort of the seated person can be improved.
  • the second support member 30 is formed integrally with the cover member 40, the rigidity of the second support member 30 can be increased.
  • the front plates 21 and 121, the central plates 22 and 122, and the rear plates 23 and 123 are widely spaced, they can be prevented from interfering with each other even when a large load is applied during sitting. Moreover, compared with the case where the front plates 21, 121, the central plates 22, 122, and the rear plates 23, 123 are formed of a single resin plate, the load of the seated person is received by the three resin plates. Therefore, more appropriate load distribution can be realized.
  • the distance between the front plates 21 and 121, the center plates 22 and 122, and the rear plates 23 and 123 is determined by considering the body shape and weight of an occupant with a large body, and the mutual resin plates when the occupant is seated. It is assumed that there is an interval that does not interfere.
  • the second engaging portion 22B protrudes from the lower surface of the central plate 22, but the present invention is not limited to this.
  • the second engagement portion 22 ⁇ / b> B may protrude from the upper surface of the center plate 22.
  • the other engaging portions may be protruded from the upper surface of the resin plate.
  • vehicle seat S may be configured as in the second embodiment described below. Note that in the second embodiment, the same reference numerals are given to substantially the same components as those in the previous embodiment, and description thereof will be omitted.
  • the vehicle seat S includes a first support member 120 and a second support member 130 that are different from those of the above-described embodiment.
  • the wire W has a front end engaged with the front pipe 12 ⁇ / b> B and a rear end engaged with the rear frame 13.
  • the first support member 120 includes a front plate 121, a center plate 122, and a rear plate 123.
  • the front plate 121, the center plate 122, and the rear plate 123 are each formed in a rectangular plate shape.
  • the front plate 121 is different from the above embodiment in that the front plate 121 does not have the above-described hole H1 (see FIG. 2).
  • the center plate 122 is bent with respect to the first broken line L1 and the second broken line L2.
  • the first broken line L1 is a line along the left-right direction, and is arranged so as to pass through the left and right seat bone part through holes H2.
  • the first broken line L1 is arranged behind the center in the front-rear direction of the ischone through hole H2.
  • the 1st broken line L1 is arrange
  • One second broken line L2 is provided at each of the left and right ends of the center plate 122.
  • the second broken line L2 on the right side extends from the right end of the first broken line L1 toward the front diagonal right side and is connected to the right end of the center plate 122, and extends backward from the right end of the first bent line L1 in the front-rear direction. And a portion connected to the rear end of the plate 122.
  • the left second broken line L2 is configured to be substantially symmetrical with the right second bent line L2.
  • the upper surface of the center plate 122 has a first surface SF1, a second surface SF2, and two third surfaces SF3.
  • the first surface SF1 is inclined with respect to the second surface SF2 with respect to the first broken line L1
  • the third surface SF3 is inclined with respect to the first surface SF1 and the second surface SF2 with respect to the second broken line L2. ing.
  • the first surface SF1 is an inclined surface extending obliquely upward and forward from the front end (first folding line L1) of the second surface SF2, and is substantially flush with the upper surface 121A of the front plate 121. It is arranged to be.
  • the second surface SF2 extends substantially horizontally from the rear end of the first surface SF1 to the rear.
  • the left and right third surfaces SF3 are arranged on the outer side in the left-right direction with respect to the left and right second broken lines L2.
  • the right third surface SF3 is an inclined surface extending obliquely upward to the right from the right second broken line L2.
  • the left third surface SF3 is configured to be substantially bilaterally symmetric with the right third surface SF3.
  • the right end of the upper surface of the center plate 122 is composed of the right end of the first surface SF1 and the right end of the third surface SF3.
  • the left end of the upper surface of the center plate 122 is composed of the left end of the first surface SF1 and the left end of the third surface SF3.
  • the rear end of the upper surface of the center plate 122 includes a rear end of the second surface SF2 and a rear end of the left and right third surfaces SF3.
  • the rear plate 123 includes a base portion 123A that is disposed substantially horizontally, a vertical wall portion 123B that extends obliquely upward and rearward from the rear end of the base portion 123A, and a plurality of ribs that are connected to the base portion 123A and the vertical wall portion 123B. 123C.
  • the plurality of ribs 123C are arranged at intervals in the left-right direction.
  • the base portion 123A has a coccyx portion through hole H3 that is substantially the same as that of the above embodiment.
  • the wire W arranged in the middle of the three wires W specifically, the wire W arranged so as to cross the coccyx through hole H3 back and forth, has a portion corresponding to the coccyx part through hole H3.
  • the shape shown in FIG. 8B is formed. Specifically, the wire W has two support portions W1 that support the front and rear portions of the coccyx portion through hole H3, and a concave shape portion W2 that is recessed downward.
  • the concave portion W2 includes a front portion W21 extending obliquely downward and rearward from the front support portion W1, a bottom portion W22 extending rearward from the lower end of the front portion W21, and an obliquely upward rearward extension from the rear end of the bottom portion W22. And a rear portion W23 connected to the support portion W1.
  • the front part W21 overlaps with the front end of the coccyx part through hole H3 when viewed from the vertical direction.
  • the rear part W23 overlaps with the rear end of the coccyx part through hole H3 when viewed from the vertical direction.
  • the base portion 123A is bent with reference to the left and right third broken lines L3.
  • the left and right third broken line L3 is a line along the front-rear direction, and is disposed on an extension line of the left and right second broken line L2.
  • the upper surface of the base portion 123A has a fourth surface SF4 and two fifth surfaces SF5.
  • the two fifth surfaces SF5 are respectively bent with respect to the fourth surface SF4 with respect to the third broken line L3.
  • the fourth surface SF4 is a surface extending substantially horizontally, and is disposed so as to be substantially flush with the second surface SF2 of the center plate 122 (see FIG. 10A).
  • the left and right fifth surfaces SF5 are disposed on the outer side in the left-right direction with respect to the left and right third broken lines L3.
  • the right fifth surface SF5 is an inclined surface extending obliquely upward to the right from the right third broken line L3.
  • the left fifth surface SF5 is configured to be substantially symmetrical with the right fifth surface SF5.
  • the vertical wall portion 123B has a concave portion B1 that is recessed downward and obliquely downward.
  • the recess B1 extends from the right end to the left end of the vertical wall portion 123B.
  • the rib 123C protrudes upward from the bottom of the recess B1.
  • the upper surface of the rib 123C has a curved surface that smoothly connects the front surface of the vertical wall portion 123B and the upper surface of the base portion 123A.
  • the second support member 130 on the right side includes a first part 131 disposed on the side frame 11, a second part 132 extending from the first part 131 inward in the left-right direction and below, It has three connection parts 134A, 134B, and 134C formed at the end part of the second part 132 on the inner side in the left-right direction.
  • the rear ends of the first part 131 and the second part 132 are formed integrally with a cover member 140 that covers the rear ends of the side frames 11 from the left and right inner sides.
  • the second portion 132 is bent with respect to the fourth broken line L4, the fifth broken line L5, and the sixth broken line L6.
  • the fourth broken line L4 extends obliquely downward in the front from the rear part of the upper end of the second part 132 to the front end of the second part 132.
  • the fifth broken line L5 extends substantially along the front-rear direction at a position on the inner side in the left-right direction and below the fourth broken line L4.
  • the sixth broken line L6 extends substantially along the front-rear direction at a position on the inner side in the left-right direction and below the fifth broken line L5.
  • the inner surface of the second part 132 has a sixth surface SF6, a seventh surface SF7, an eighth surface SF8, and a ninth surface SF9.
  • the seventh surface SF7 is inclined with respect to the sixth surface SF6 with respect to the fourth broken line L4.
  • the eighth surface SF8 is inclined with respect to the seventh surface SF7 with respect to the fifth broken line L5.
  • the ninth surface SF9 is inclined with respect to the eighth surface SF8 with respect to the sixth broken line L6.
  • the sixth surface SF6 is an inclined surface that is inclined inward in the left-right direction and downward from the inner edge in the left-right direction of the first portion 131, and the angle with respect to the horizontal plane is the first angle ⁇ 1 (FIG. 8). (See (c)).
  • the seventh surface SF7 is an inclined surface that is inclined inward in the left-right direction and downward from the lower end of the sixth surface SF6, and the angle with respect to the horizontal plane is a second angle ⁇ 2 that is larger than the first angle ⁇ 1. (See FIG. 8 (c)).
  • the eighth surface SF8 is an inclined surface that inclines in the left-right direction and downward from the lower end of the seventh surface SF7, and the angle with respect to the horizontal plane is a third angle ⁇ 3 that is smaller than the first angle ⁇ 1. (See FIG. 8 (c)). That is, the relationship between the angles described above is ⁇ 3 ⁇ 1 ⁇ 2. Further, the eighth surface SF8 is disposed so as to be substantially flush with the third surface SF3 and the fifth surface SF5 described above.
  • the ninth surface SF9 extends downward from the lower end of the eighth surface SF8.
  • Three connecting portions 134A, 134B, and 134C and two projecting portions P1 and P2 are formed on the ninth surface SF9.
  • the three connecting portions 134A, 134B, and 134C are also referred to as a first connecting portion 134A, a second connecting portion 134B, and a third connecting portion 134C, respectively, and the two protruding portions P1 and P2 are These are also referred to as a first protrusion P1 and a second protrusion P2.
  • the three connecting portions 134A, 134B, and 134C are portions connected to the wire W, and protrude from the lower portion of the ninth surface SF9 toward the first support member 120.
  • the first connecting portion 134A is disposed at the front end of the ninth surface SF9
  • the third connecting portion 134C is disposed at the rear end of the ninth surface SF9
  • the second connecting portion 134B is connected to the first connecting portion 134A and the third surface. It arrange
  • the distance from the first connecting part 134A to the second connecting part 134B is smaller than the distance from the second connecting part 134B to the third connecting part 134C.
  • the two projecting portions P1 and P2 project from the ninth surface SF9 toward the first support member 120, and are formed from the upper end to the lower end of the ninth surface SF9.
  • the first protrusion P1 is disposed between the first connecting part 134A and the second connecting part 134B.
  • the length of the first protrusion P1 in the front-rear direction is larger than that of the second protrusion P2. Specifically, the length of the first projecting portion P1 in the front-rear direction is substantially the same as the distance between the first connecting portion 134A and the second connecting portion 134B.
  • the 2nd protrusion part P2 is arrange
  • the distance from the 2nd protrusion part P2 to the 2nd connection part 134B is larger than the distance from the 2nd protrusion part P2 to the 3rd connection part 134C.
  • the left second support member 130 may be configured to have a slightly different shape from the right second support member 130, or may be configured symmetrically.
  • the component AS formed by integrating the second support member 130 and the cover member 140 is an upper wall AS ⁇ b> 1 disposed on the side frame 11 and a rear surface disposed after the side frame 11.
  • the wall AS ⁇ b> 2 the first fixing portion 71, the second fixing portion 72, and the third fixing portion 73 are included.
  • the upper wall AS1 is a part including the first part 131 described above, and the rear part is inclined obliquely upward and rearward.
  • the rear wall AS2 has a curved shape that extends in the vertical direction and protrudes backward.
  • the first fixing portion 71 is disposed on the upper wall AS1, specifically, the front end portion of the first portion 131.
  • the first fixing portion 71 extends downward from the outer end in the left-right direction of the first portion 131.
  • the distal end portion of the first fixing portion 71 is engaged with the side surface of the side frame 11.
  • the second fixing portion 72 is disposed behind the center in the front-rear direction of the upper wall AS1.
  • the second fixing portion 72 extends rearward and obliquely downward from the laterally outer end of the inclined portion of the upper wall AS ⁇ b> 1, and the distal end portion engages with the side surface of the side frame 11.
  • the third fixing part 73 is arranged on the upper part of the rear wall AS2.
  • the third fixing portion 73 extends forward from an end portion on the outer side in the left-right direction of the rear wall AS ⁇ b> 2, and a tip portion thereof is engaged with a side surface of the side frame 11.
  • the third fixing portion 73 is disposed at substantially the same position as the second fixing portion 72 in the vertical direction.
  • the second fixing portion 72 and the third fixing portion 73 are disposed above the first fixing portion 71.
  • the third fixing portion 73 is arranged behind the second fixing portion 72, and the second fixing portion 72 is arranged behind the first fixing portion 71.
  • the first fixing portion 71 and the first connecting portion 134A are arranged so that their positions in the front-rear direction overlap. Specifically, the front portion of the first fixing portion 71 is disposed within the range of the first connecting portion 134A in the front-rear direction. Thereby, the attachment rigidity of the 1st fixing
  • first fixing portion 71 and the seat bone portion through hole H2 are arranged so that the positions in the front-rear direction overlap each other. Specifically, the entire first fixing portion 71 is disposed in the range of the seat bone portion through hole H2 in the front-rear direction. Thereby, the attachment rigidity of the 1st fixing
  • a part of the first fixing part 71 is arranged in the range of the first connecting part 134A in the front-rear direction, but the present invention is not limited to this, and at least a part of the fixing part is front-rear. It suffices if it is arranged within the range of the connecting part in the direction, and for example, the whole fixing part may be arranged within the range of the connecting part in the front-rear direction.
  • the number of wires W is three, but the present invention is not limited to this, and may be two, for example, or four or more.
  • the two wires may be arranged at the left and right ends of the first support member.
  • portions of the middle two wires W corresponding to the ischoid through-hole H2 are preferably concave portions W2 as shown in FIG. According to this, the pressure applied from the vehicle seat S to the seat bone of the seated person can be reduced.
  • the front end of the wire W may be engaged with the pan frame 12A.
  • the vehicle seat S may further include third support members 51 and 52 that are more flexible than the first support member 120.
  • the third support members 51 and 52 may be, for example, cloth-like members or rubber.
  • the third support member 51 is provided for each of the left and right seat bone part through holes H2.
  • the 3rd support member 51 is provided in the center board 122 of the 1st support member 120 so that the whole isch bone part through-hole H2 may be plugged up.
  • the third support member 52 is provided for the coccyx portion through hole H3.
  • the third support member 52 is provided on the rear plate 123 of the first support member 120 so as to block the entire coccyx portion through hole H3.
  • the third support members 51 and 52 that are more flexible than the first support member 120 made of resin can appropriately support the seat bone and the tailbone of the seated person, and are applied around the seater's seatbone and the tailbone. The pressure can be released from the third support members 51 and 52.
  • the 3rd support member should just be provided in the 1st support member so that at least one part of a sciaticus part through-hole may be plugged up. Moreover, the 3rd support member should just be provided in the 1st support member so that at least one part of a coccyx part through-hole may be plugged up. Furthermore, you may provide a 3rd support member by shape
  • the second support member 30 is formed in a plate shape, but the present invention is not limited to this, and for example, the second support member may be rod-shaped, for example, a wire.
  • the coccyx part through hole H3 is formed in the first support member 20, but the present invention is not limited to this, and the coxe part through hole may not be provided in the first support member.
  • the shape of the engaging portion is not limited to the hook shape, and may be other shapes such as a U-shaped groove or a nail having a barb shape at the tip.
  • the inclined surface is provided around the seat bone portion through hole H2, but the inclined surface may not be provided. It is not necessary to provide the slit SL at the edge of the seat bone part through hole H2. Furthermore, similarly to the ischone through hole H2, a slit may be provided at the edge of the coccyx part through hole H3, or an inclined surface may be provided around the coccyx part through hole H3.
  • the position in the front-rear direction of the slit SL extending in the left-right direction overlaps with the connecting portions 34A and 34B, but in the front-rear direction of the slit SL extending in the left-right direction (at least one when there is a plurality)
  • the position may overlap with the second engagement portion 22B.
  • the position of the slit SL extending in the front-rear direction overlaps with the second engagement portion 22B, but the front-rear direction of the slit SL (at least one when there are a plurality of slits) extends in the front-rear direction. It is good also as a form which the position in overlaps with connection part 34A, 34B.
  • the seat bone part through hole, the coccyx part through hole, and the through hole are taken as an example.
  • the elastic member can be bent more easily than the material constituting the resin plate in the portion corresponding to the through hole. Can also be provided.
  • the vehicle seat S used by a motor vehicle was illustrated as a vehicle seat, this invention is not limited to this,

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
PCT/JP2019/017176 2018-04-27 2019-04-23 乗物用シート WO2019208555A1 (ja)

Priority Applications (4)

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JP2020515475A JP7307353B2 (ja) 2018-04-27 2019-04-23 乗物用シート
US17/050,712 US11413997B2 (en) 2018-04-27 2019-04-23 Vehicle seat
JP2023105627A JP7594207B2 (ja) 2018-04-27 2023-06-28 乗物用シート
JP2024202971A JP2025019172A (ja) 2018-04-27 2024-11-21 乗物用シート

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JP2018-087575 2018-04-27
JP2018087575 2018-04-27
JP2018180331 2018-09-26
JP2018-180331 2018-09-26

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11155193B2 (en) * 2017-10-24 2021-10-26 Delta Kogyo Co., Ltd. Seat cushion for vehicle seat and vehicle seat
US20220095809A1 (en) * 2019-02-01 2022-03-31 Ts Tech Co., Ltd. Vehicle seat
JP2022187383A (ja) * 2021-06-07 2022-12-19 テイ・エス テック株式会社 乗物用シート
JP2024535011A (ja) * 2021-09-13 2024-09-26 アディエント ユーエス エルエルシー シート用パネル

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7307353B2 (ja) * 2018-04-27 2023-07-12 テイ・エス テック株式会社 乗物用シート
JP7514168B2 (ja) * 2020-11-13 2024-07-10 日本発條株式会社 車両用シート

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4781417A (en) * 1987-12-07 1988-11-01 Ford Motor Company Upholstered seat cushion support
JPH08140784A (ja) * 1994-11-16 1996-06-04 Katsuaki Ochi 座位保持クッション
JP2001112565A (ja) * 1999-10-15 2001-04-24 Omron Corp リラックスチェア
JP2002045259A (ja) * 2000-08-02 2002-02-12 Bridgestone Corp 座圧低減クッションパッド及び座圧低減シート
JP2004016312A (ja) * 2002-06-13 2004-01-22 Kariya Mokuzai Kogyo Kk 座席用クッション材
WO2007020811A1 (ja) * 2005-08-18 2007-02-22 Bridgestone Corporation 車両用シートパッド
JP2007282697A (ja) * 2006-04-13 2007-11-01 Maki Nakada 骨盤底知覚座面構造、骨盤底知覚クッション及び骨盤底知覚椅子
JP2009000493A (ja) * 2007-05-22 2009-01-08 Delta Tooling Co Ltd 座席構造
JP2016159007A (ja) * 2015-03-04 2016-09-05 トヨタ紡織株式会社 乗物用シート

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU714345B2 (en) 1996-11-08 1999-12-23 William W. Chow Therapeutic sling seat
US6209159B1 (en) * 1997-01-10 2001-04-03 Comfortex Health Care Surfaces Pressure reducing cushion with selective pressure point relief
JP2001245744A (ja) 2000-03-06 2001-09-11 Toyota Auto Body Co Ltd 車両用シートクッション
JP3655210B2 (ja) 2001-05-02 2005-06-02 星野楽器株式会社 ドラム用椅子
US6854804B2 (en) * 2001-09-28 2005-02-15 Ficosa North America Seat bottom support structure
JP2005152482A (ja) 2003-11-28 2005-06-16 Bizen Hatsujo Kk 線材の結合構造及び線材の結合構造体並びにクッション受材
JP4634761B2 (ja) * 2004-08-26 2011-02-16 株式会社デルタツーリング シート
DE102006029299A1 (de) * 2006-06-23 2007-12-27 Johnson Controls Gmbh Fahrzeugsitz mit einem Sitzteil und mit einer Rückhaltevorrichtung zur Verhinderung des Durchrutschens eines Passagiers, Rückhaltevorrichtung und Herstellungsverfahren
JP2010023703A (ja) * 2008-07-22 2010-02-04 Toyo Seat Co Ltd 車両用シート
DE102008064663B4 (de) 2008-10-06 2013-08-22 Fico Cables Lda Stützmatte
JP5561129B2 (ja) * 2010-11-30 2014-07-30 トヨタ紡織株式会社 車両用シート
JP6081344B2 (ja) 2013-10-31 2017-02-15 トヨタ紡織株式会社 乗物用シート
JP2016117406A (ja) 2014-12-22 2016-06-30 ダイハツ工業株式会社 シートクッションパッドの支持構造
JP6597384B2 (ja) * 2016-02-24 2019-10-30 トヨタ紡織株式会社 乗物用シート
JP6309130B1 (ja) * 2017-03-24 2018-04-11 テイ・エス テック株式会社 乗物用シート
JP7307353B2 (ja) * 2018-04-27 2023-07-12 テイ・エス テック株式会社 乗物用シート
JP6901778B2 (ja) * 2018-08-31 2021-07-14 株式会社タイカ クッション材
JP7369135B2 (ja) * 2018-09-21 2023-10-25 株式会社アーケム クッションパッド
JP2020099411A (ja) * 2018-12-20 2020-07-02 株式会社タイカ クッション材

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4781417A (en) * 1987-12-07 1988-11-01 Ford Motor Company Upholstered seat cushion support
JPH08140784A (ja) * 1994-11-16 1996-06-04 Katsuaki Ochi 座位保持クッション
JP2001112565A (ja) * 1999-10-15 2001-04-24 Omron Corp リラックスチェア
JP2002045259A (ja) * 2000-08-02 2002-02-12 Bridgestone Corp 座圧低減クッションパッド及び座圧低減シート
JP2004016312A (ja) * 2002-06-13 2004-01-22 Kariya Mokuzai Kogyo Kk 座席用クッション材
WO2007020811A1 (ja) * 2005-08-18 2007-02-22 Bridgestone Corporation 車両用シートパッド
JP2007282697A (ja) * 2006-04-13 2007-11-01 Maki Nakada 骨盤底知覚座面構造、骨盤底知覚クッション及び骨盤底知覚椅子
JP2009000493A (ja) * 2007-05-22 2009-01-08 Delta Tooling Co Ltd 座席構造
JP2016159007A (ja) * 2015-03-04 2016-09-05 トヨタ紡織株式会社 乗物用シート

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11155193B2 (en) * 2017-10-24 2021-10-26 Delta Kogyo Co., Ltd. Seat cushion for vehicle seat and vehicle seat
US20220095809A1 (en) * 2019-02-01 2022-03-31 Ts Tech Co., Ltd. Vehicle seat
US11730281B2 (en) * 2019-02-01 2023-08-22 Ts Tech Co., Ltd. Vehicle seat
US12201223B2 (en) 2019-02-01 2025-01-21 Ts Tech Co., Ltd. Vehicle seat
JP2022187383A (ja) * 2021-06-07 2022-12-19 テイ・エス テック株式会社 乗物用シート
JP7712534B2 (ja) 2021-06-07 2025-07-24 テイ・エス テック株式会社 乗物用シート
JP2024535011A (ja) * 2021-09-13 2024-09-26 アディエント ユーエス エルエルシー シート用パネル

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JP2025019172A (ja) 2025-02-06
JP7594207B2 (ja) 2024-12-04
US11413997B2 (en) 2022-08-16
US20210070205A1 (en) 2021-03-11
JP2023115231A (ja) 2023-08-18
JP7307353B2 (ja) 2023-07-12

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